package it.ricettario;

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 

import java.awt.Color;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JToolBar;

/* 
 * ScrollDemo.java requires these files:
 *   Rule.java
 *   Corner.java
 *   ScrollablePicture.java
 *   images/youngdad.jpeg
 */
public class ScrollDemo extends JPanel
                        implements ItemListener {

    private ScrollablePicture picture;
    private ImageIcon image;
    private JScrollPane pictureScrollPane;

    public ImageIcon getImage() {
		return image;
	}

	public void setImage(ImageIcon image) {
		this.image = image;
	}

	public ScrollDemo(String path) {
		setDoubleBuffered(false);
        setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));

        //Get the image to use.
        createImageIcon(path);

        //Set up the scroll pane.
        picture = new ScrollablePicture(image, 10);
        pictureScrollPane = new JScrollPane(picture);
        //pictureScrollPane.setPreferredSize(new Dimension(300, 250));
        pictureScrollPane.setViewportBorder(BorderFactory.createLineBorder(Color.black));

        //Put it in this panel.
        add(pictureScrollPane);
    }

    public JScrollPane getPictureScrollPane() {
		return pictureScrollPane;
	}

	public void setPictureScrollPane(JScrollPane pictureScrollPane) {
		this.pictureScrollPane = pictureScrollPane;
	}

	/** Returns an ImageIcon, or null if the path was invalid. */
    protected void createImageIcon(String path) {
        ImageIcon imageTemp = null;
    	if (path != null && path.startsWith("."))
    		imageTemp = new ImageIcon(path);
    	else
    	{
	    	java.net.URL imgURL = ScrollDemo.class.getResource("images/ricette.jpg");    	
	        if (imgURL != null) {
	        	imageTemp = new ImageIcon(imgURL);
	        } else {
	            System.err.println("Couldn't find file: " + path);
	        }
    	}
    	if (image == null)
    	{
    		image = new ImageIcon();
    	}
        image.setImage(imageTemp.getImage());
    }
    

    public void setPicture(ScrollablePicture picture) {
		this.picture = picture;
	}
    
    

	public ScrollablePicture getPicture() {
		return picture;
	}

	public void clear()
	{
		this.image = null;
		this.picture = null;
		this.pictureScrollPane = null;
	}
	/**
     * Create the GUI and show it.  For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
     */
    private static void createAndShowGUI() {
        //Create and set up the window.
        JFrame frame = new JFrame("ScrollDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        //Create and set up the content pane.
        JComponent newContentPane = new ScrollDemo(null);
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setContentPane(newContentPane);

        //Display the window.
        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }

	public void itemStateChanged(ItemEvent arg0) {
		// TODO Auto-generated method stub
		
	}
}
